I would simply point out how many tools have been developed over the years that need this interface - and how poorly Apple has communicated these changes to their users.
After all - did they warn anyone that iTunes 10.6.3 would break our scripts?
If you google for "itunes 10.6.3 applescript" you'll see developers complaining on stackoverflow, (
http://stackoverflow.com/questions/1...90383#11090383) and users complaining about their scripts breaking (
http://www.leancrew.com/all-this/201...hon-appscript/).